After the release of an undercover investigation, Corteva Agrisciences announces it will release 36 beagles for rehoming.

Scientists say that increasingly rigorous licensing procedures have complicated research efforts—and in some cases, stopped experiments completely.

A report finds a decline in the number of experiments involving animals in 2017, noting a particular decrease in procedures on dogs and primates.

Researchers develop a machine-learning tool for toxicity analyses that is more consistent in predicting chemical hazards than assays on animals.

Nearly 600 signatories, including four Nobel Prize winners, urge openness about animal experiments.

A pilot program announced last month will consider combining announced and surprise inspections.

Scientists and others have been opening their homes to research animals after the studies conclude, with legislation in some states now mandating adoption.

Transparency about the role of animals in drug development could help raise awareness of and appreciation for preclinical research.

The BMJ inquiry finds that researchers presented only select results from animal experiments when applying for funding and approval for human trials.